﻿<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title>登陆</title>
    <script src="/Apm/js/Login.js" type="text/javascript"></script>
    <style type="text/css">
        html,body{
            width:100%;
            height:100%;
        }
        body {
            font: normal 100% Helvetica, Arial, sans-serif;
            margin: 0;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .page {
            width: 30rem;
            height: 22rem;
            background-color: rgba(57,62,73,0.4);
        }
        .login{
            padding: 1rem 2rem;
        }
        
        .login-from{
            padding:1rem;
        } 
        .login-body {
            background-color: #fff;
            padding: 0.5rem 1rem;
            border-radius: 0.5rem;
        } 
        .login-input {
            border: 0;
        }
        .login-btn {
            width: 100%;
            margin-top: 1.2rem;
            border-radius: 0.5rem;
            background-color: #2F4056;
        }
        
        .login-title {
            display: flex;
            justify-content: center;
            color: #fff;
            font-family:'楷体'; 
            font-weight:bold;
            padding:1rem;
            font-size:1.8rem;
        }
        canvas {
            position: absolute;
            z-index: -1;
            width:100%;
            height:100%;
        }
        .test p{
            color:#fff;
            padding:0.4rem;
        }
    </style>
</head>
<body>
    <div class="page">
        <div class="login-title">
            <span>后台管理系统</span>
        </div>
        <!--Login-->
        <div class="login">
            <div class="layui-form login-from">
                <div class="login-body">
                    <input id="Name" type="text" name="Name" required lay-verify="required|username" placeholder="请输入账号" autocomplete="off" class="layui-input login-input">
                    <hr />
                    <input id="Password" type="password" name="Password" required lay-verify="required|pass" placeholder="请输入密码" autocomplete="off" class="layui-input login-input">
                </div>

                <button lay-submit lay-filter="login" class="layui-btn layui-btn-lg login-btn">登陆</button>
                <!--<div class="test">
                    <p>测试账号：test</p>
                    <p>测试密码：test</p>
                </div>-->
                
            </div>
        </div>
    </div>
    <canvas id="canvas"></canvas> 
    <script>
        //宇宙特效
        "use strict";
        var canvas = document.getElementById('canvas'),
            ctx = canvas.getContext('2d'),
            w = canvas.width = window.innerWidth,
            h = canvas.height = window.innerHeight,

            hue = 217,
            stars = [],
            count = 0,
            maxStars = 1000;//星星数量

        var canvas2 = document.createElement('canvas'),
            ctx2 = canvas2.getContext('2d');
        canvas2.width = 100;
        canvas2.height = 100;
        var half = canvas2.width / 2,
            gradient2 = ctx2.createRadialGradient(half, half, 0, half, half, half);
        gradient2.addColorStop(0.025, '#CCC');
        gradient2.addColorStop(0.1, 'hsl(' + hue + ', 61%, 33%)');
        gradient2.addColorStop(0.25, 'hsl(' + hue + ', 64%, 6%)');
        gradient2.addColorStop(1, 'transparent');

        ctx2.fillStyle = gradient2;
        ctx2.beginPath();
        ctx2.arc(half, half, half, 0, Math.PI * 2);
        ctx2.fill();

        // End cache

        function random(min, max) {
            if (arguments.length < 2) {
                max = min;
                min = 0;
            }

            if (min > max) {
                var hold = max;
                max = min;
                min = hold;
            }

            return Math.floor(Math.random() * (max - min + 1)) + min;
        }

        function maxOrbit(x, y) {
            var max = Math.max(x, y),
                diameter = Math.round(Math.sqrt(max * max + max * max));
            return diameter / 2;
            //星星移动范围，值越大范围越小，
        }

        var Star = function () {

            this.orbitRadius = random(maxOrbit(w, h));
            this.radius = random(60, this.orbitRadius) / 8;
            //星星大小
            this.orbitX = w / 2;
            this.orbitY = h / 2;
            this.timePassed = random(0, maxStars);
            this.speed = random(this.orbitRadius) / 100000;
            //星星移动速度
            this.alpha = random(2, 10) / 10;

            count++;
            stars[count] = this;
        }

        Star.prototype.draw = function () {
            var x = Math.sin(this.timePassed) * this.orbitRadius + this.orbitX,
                y = Math.cos(this.timePassed) * this.orbitRadius + this.orbitY,
                twinkle = random(10);

            if (twinkle === 1 && this.alpha > 0) {
                this.alpha -= 0.05;
            } else if (twinkle === 2 && this.alpha < 1) {
                this.alpha += 0.05;
            }

            ctx.globalAlpha = this.alpha;
            ctx.drawImage(canvas2, x - this.radius / 2, y - this.radius / 2, this.radius, this.radius);
            this.timePassed += this.speed;
        }

        for (var i = 0; i < maxStars; i++) {
            new Star();
        }

        function animation() {
            ctx.globalCompositeOperation = 'source-over';
            ctx.globalAlpha = 0.5; //尾巴
            ctx.fillStyle = 'hsla(' + hue + ', 64%, 6%, 2)';
            ctx.fillRect(0, 0, w, h)

            ctx.globalCompositeOperation = 'lighter';
            for (var i = 1, l = stars.length; i < l; i++) {
                stars[i].draw();
            };

            window.requestAnimationFrame(animation);
        }

        animation();
    </script>
</body>
</html>
<script type="text/javascript">
    layui.use(['layer','element', 'form'], function () {
        var layer = layui.layer,
            element = layui.element,
            form = layui.form;

        form.on('submit(login)', function (data) {
            //console.log(data.field) //当前容器的全部表单字段，名值对形式：{name: value}
            var json = data.field;
            var device = layui.device();//获取操作系统
            json.Device = JSON.stringify(device);
            
            $.ajax({
                url: ApiURL + 'api/Public/Login',
                type: 'post',
                contentType: 'application/json',
                data: JSON.stringify(json),
                success: function (data) {
                    data = JSON.parse(data);
                    if (data.code == 0) {
                        //sessionStorage.setItem("Token", data.data.token); //浏览器关闭就不存在
                        
                        localStorage.setItem("Token", data.data.Token); //浏览器关闭依然存
                        
                        location.href = "/form.html";
                    }
                    else {
                        layer.msg(data.msg);
                    }

                },
                error: function () {
                    location.href="/error.html"
                }
            })
            return false; //阻止表单跳转。如果需要表单跳转，去掉这段即可。
        });
        
    });
</script>
